Siemens Original Reducer

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Q:What will happen to a DC motor when the AC power supply is increased?
Lots of different things could happen. I think your teacher is probably thinking about just one of those things, where the DC motor goes round as though it was connected to 6V DC : have a look at various starting positions for the rotor and work out which direction forces act for different polarity of the AC for a start.
Q:What type of AC>DC power supply should be used to drive a DC motor?
It depends on the power requirement, but if it is very large I would recommend a switching supply. Linear supplies are very inefficient.
Q:Wiring an electric AC motor?
you take the blue,orange,red wire and twist them together [after you strip some insulation off, ] they go to the black wire on the power cord, the white yellow, black wires go to the white wire on the power cord green goes to the motor housing,
Q:How can I change the alternating current welding machine into a DC welder?
At the output end of AC welding machine ~ ~ two terminals, one rated welding output voltage is greater than 2 times the no-load voltage, rated output welding current is greater than 2 times the output current of the rectifier.
Q:Motor RPM Control?
If you have a way to decrease the AC input frequency thats the easiest way. Depending on the application of the motor you can have it maintain a certain RPM and simply change the power to it (by changing the amps applied) to change the HP it puts out, but that is really only certain applications
Q:Can you tell me the Watts required by a 230v, 50Hz Single phase AC motor?
The static resistance will bear little relationship to the running load. As the motor speeds up the back-emf builds up too until it opposes the supply so much that it won't go any faster. There's no real way to predict how much power it will draw apart from running it and measuring the current when it's working - but it will be a great deal less than what you'd calculate from a passive resistor. Is there no data-plate anywhere on it?
Q:What is the difference between AC variable frequency speed control and DC variable frequency speed regulation?
AC variable frequency speed regulation, change the number of poles of the motor, characterized by fixed gear, that is, high and lowDC speed regulation is the first to AC shaping into DC, and then through the controllable inverter back to AC, characterized by speed range, but because of plastic, inverter will have a conversion efficiency problem.For example, AC speed range is 100%, 70%, 40% speed, 3 gear,DC speed regulation range of 30%~100% can be stepless speed regulationThen in 100%, 70%, 40% the third near operation, energy efficiency than AC DC, but when the compressor only needs 55% when operation meet the requirements, at this time also with the speed of 70% AC, DC inverter operation, energy consumption will not pay the small flow
Q:Can I run an AC motor on DC current or convert the motor so I don't have to buy an inverter?
if it is a universal motor (has brushes) yes. if it is an induction motor, no
Q:How do I convert a 3 phase 220v 60 hz motor to three phase 220v 50 hz motor?
Check with your motor supplier, in most cases they will simply supply a motor rated for the voltage and frequency required. You cannot interchange them unless they are designed because the voltage to frequency ratio is fixed by design. A VFD would seem an expensive way to run at fixed speed 220v 3 phase is somewhat unusual anyway except maybe in parts of Germany. Are you sure that's what they want?
Q:Is the permanent magnet synchronous linear motor AC motor or direct current motor?
Brushless DC motor usually adopts the whole pitch concentrated winding to generate trapezoidal wave back electromotive force. The permanent magnet synchronous motor to generate sinusoidal EMF, need to use short distance or full pitch winding, or distribution of the fractional slot winding chute.

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